nudibranch
- n any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body
- You say that the nudibranch chromodoris has no known enemies despite size, bright coloration, and lack of shell or protection July 6.
- Take, Thomas suggests, the case of the nudibranch (a sea slug) and the medusa (a jellyfish) that live in the Bay of Naples.